161.

136199 Eris at solar conjunction 136199 Eris is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 09 Apr 2001 at 02:00 EDT (8,428 days ago) in Cetus

162.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 28 Mar 2001 at 01:13 EDT (8,440 days ago) in Coma Berenices

163.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 06 Mar 2001 at 20:14 EDT (8,462 days ago) in Ursa Major

164.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 04 Dec 2000 at 12:33 EDT (8,554 days ago) in Ophiuchus

165.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 20 Nov 2000 at 23:41 EDT (8,567 days ago) in Libra

166.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 12 Oct 2000 at 05:00 EDT (8,607 days ago) in Cetus

167.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 29 Sep 2000 at 20:03 EDT (8,620 days ago) in Coma Berenices

168.

136472 Makemake at solar conjunction 136472 Makemake is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 08 Sep 2000 at 04:39 EDT (8,641 days ago) in Ursa Major

169.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 01 Jun 2000 at 17:58 EDT (8,740 days ago) in Ophiuchus

170.

136199 Eris at solar conjunction 136199 Eris is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 08 Apr 2000 at 13:57 EDT (8,794 days ago) in Cetus

171.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 26 Mar 2000 at 19:33 EDT (8,807 days ago) in Coma Berenices

172.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Tue, 21 Mar 2000 at 19:33 EDT (8,812 days ago) in Coma Berenices

173.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 05 Mar 2000 at 13:00 EDT (8,828 days ago) in Ursa Major

174.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Sun, 05 Dec 1999 at 20:28 EDT (8,919 days ago) in Virgo

175.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 02 Dec 1999 at 22:03 EDT (8,922 days ago) in Ophiuchus

176.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 12 Oct 1999 at 17:03 EDT (8,973 days ago) in Cetus

177.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 29 Sep 1999 at 14:17 EDT (8,986 days ago) in Coma Berenices

178.

136472 Makemake at solar conjunction 136472 Makemake is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 07 Sep 1999 at 20:38 EDT (9,008 days ago) in Ursa Major

179.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 23 Jul 1999 at 10:08 EDT (9,054 days ago) in Cancer

180.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 30 May 1999 at 23:40 EDT (9,108 days ago) in Ophiuchus